217710720

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:364

約数の個数: 256

約数和(自身を含む): 791683200

約数和(自身を除く): 573972480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 64, 72, 80, 86, 90, 96, 108, 120, 128, 129, 135, 144, 160, 172, 180, 192, 215, 216, 240, 258, 270, 288, 293, 320, 344, 360, 384, 387, 430, 432, 480, 516, 540, 576, 586, 640, 645, 688, 720, 774, 860, 864, 879, 960, 1032, 1080, 1152, 1161, 1172, 1290, 1376, 1440, 1465, 1548, 1720, 1728, 1758, 1920, 1935, 2064, 2160, 2322, 2344, 2580, 2637, 2752, 2880, 2930, 3096, 3440, 3456, 3516, 3870, 4128, 4320, 4395, 4644, 4688, 5160, 5274, 5504, 5760, 5805, 5860, 6192, 6880, 7032, 7740, 7911, 8256, 8640, 8790, 9288, 9376, 10320, 10548, 11610, 11720, 12384, 12599, 13185, 13760, 14064, 15480, 15822, 16512, 17280, 17580, 18576, 18752, 20640, 21096, 23220, 23440, 24768, 25198, 26370, 27520, 28128, 30960, 31644, 35160, 37152, 37504, 37797, 39555, 41280, 42192, 46440, 46880, 49536, 50396, 52740, 56256, 61920, 62995, 63288, 70320, 74304, 75594, 79110, 82560, 84384, 92880, 93760, 100792, 105480, 112512, 113391, 123840, 125990, 126576, 140640, 148608, 151188, 158220, 168768, 185760, 187520, 188985, 201584, 210960, 226782, 247680, 251980, 253152, 281280, 302376, 316440, 337536, 340173, 371520, 377970, 403168, 421920, 453564, 503960, 506304, 562560, 566955, 604752, 632880, 680346, 743040, 755940, 806336, 843840, 907128, 1007920, 1012608, 1133910, 1209504, 1265760, 1360692, 1511880, 1612672, 1687680, 1700865, 1814256, 2015840, 2267820, 2419008, 2531520, 2721384, 3023760, 3401730, 3628512, 4031680, 4535640, 4838016, 5063040, 5442768, 6047520, 6803460, 7257024, 8063360, 9071280, 10885536, 12095040, 13606920, 14514048, 18142560, 21771072, 24190080, 27213840, 36285120, 43542144, 54427680, 72570240, 108855360, 217710720]

約数ペア:

[(1, 217710720), (2, 108855360), (3, 72570240), (4, 54427680), (5, 43542144), (6, 36285120), (8, 27213840), (9, 24190080), (10, 21771072), (12, 18142560), (15, 14514048), (16, 13606920), (18, 12095040), (20, 10885536), (24, 9071280), (27, 8063360), (30, 7257024), (32, 6803460), (36, 6047520), (40, 5442768), (43, 5063040), (45, 4838016), (48, 4535640), (54, 4031680), (60, 3628512), (64, 3401730), (72, 3023760), (80, 2721384), (86, 2531520), (90, 2419008), (96, 2267820), (108, 2015840), (120, 1814256), (128, 1700865), (129, 1687680), (135, 1612672), (144, 1511880), (160, 1360692), (172, 1265760), (180, 1209504), (192, 1133910), (215, 1012608), (216, 1007920), (240, 907128), (258, 843840), (270, 806336), (288, 755940), (293, 743040), (320, 680346), (344, 632880), (360, 604752), (384, 566955), (387, 562560), (430, 506304), (432, 503960), (480, 453564), (516, 421920), (540, 403168), (576, 377970), (586, 371520), (640, 340173), (645, 337536), (688, 316440), (720, 302376), (774, 281280), (860, 253152), (864, 251980), (879, 247680), (960, 226782), (1032, 210960), (1080, 201584), (1152, 188985), (1161, 187520), (1172, 185760), (1290, 168768), (1376, 158220), (1440, 151188), (1465, 148608), (1548, 140640), (1720, 126576), (1728, 125990), (1758, 123840), (1920, 113391), (1935, 112512), (2064, 105480), (2160, 100792), (2322, 93760), (2344, 92880), (2580, 84384), (2637, 82560), (2752, 79110), (2880, 75594), (2930, 74304), (3096, 70320), (3440, 63288), (3456, 62995), (3516, 61920), (3870, 56256), (4128, 52740), (4320, 50396), (4395, 49536), (4644, 46880), (4688, 46440), (5160, 42192), (5274, 41280), (5504, 39555), (5760, 37797), (5805, 37504), (5860, 37152), (6192, 35160), (6880, 31644), (7032, 30960), (7740, 28128), (7911, 27520), (8256, 26370), (8640, 25198), (8790, 24768), (9288, 23440), (9376, 23220), (10320, 21096), (10548, 20640), (11610, 18752), (11720, 18576), (12384, 17580), (12599, 17280), (13185, 16512), (13760, 15822), (14064, 15480)]